Patrice Bergeron in hospital with punctured lung

Bruins center Patrice Bergeron remains at a local hospital for observation because of a punctured lung. He was admitted following the Bruins’ 3-2 loss to Chicago in Game 6 of the Stanley Cup Final Monday night.

General manager Peter Chiarelli speculated that the puncture was caused either by Bergeron’s broken rib or by a nerve-blocking injection. Neither Chiarelli nor coach Claude Julien believes the puncture was incurred during Game 6. Both noted that Bergeron would not have been able to play with a punctured lung.

As it was, Bergeron entered Game 6 with a broken rib and torn cartilage. He then sustained a separated shoulder during the first period. Bergeron had visited a Chicago hospital after Game 5 Saturday night because of the torn cartilage.

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In other Bruins news:

• Right wing Nathan Horton will require surgery on his dislocated left shoulder. Horton said the shoulder popped out in overtime of Game 1 against the Blackhawks. Horton played with a brace for the rest of the series. Chiarelli said the Bruins will attempt to re-sign Horton, who will become an unrestricted free agent July 5. Chiarelli acknowledged he has work to do if he wants to re-sign Horton on top of extending Tuukka Rask.

• The Bruins will not re-sign Jaromir Jagr. The 41-year-old winger said he’d like to continue playing in the NHL instead of returning to the Czech Republic. Jagr joked that if he scored 20 goals in the playoffs, the Bruins might consider bringing him back. “I was 20 short,” said Jagr, who hurt his back and hip in Game 6.

• Zdeno Chara played through a hip flexor injury in the playoffs, but he said he would have played even if the injury took place during the regular season.

• Dennis Seidenberg pulled a hamstring in Game 7 of the first-round series against Toronto. Seidenberg didn’t play in the first four games of the second round against the Rangers.

• The Bruins have not ruled out re-signing goalie Anton Khudobin. Chiarelli told Khudobin that he’d have to re-sign Rask first. If Khudobin does not return, Niklas Svedberg will most likely be Rask’s backup.